Mount Saint Helens, United States

Could a Trillion Trees Really Save the Planet?

Scientists think that planting trees could reverse climate change, but planting trees isn't as simple as it sounds.
Callery Pear Trees in bloom

When a Cultivated Tree Goes Rogue

The Callery pear was meant to help prevent fire blight from destroying the commercial pear industry. Then it became invasive.
Crown shyness

The Mysteries of Crown Shyness

In some forests, trees grow in a manner that keeps their branches from touching one another. Despite decades of study, scientists aren't exactly sure why.
Severely burnt forest after Grampians wildfire

How Eucalyptus Trees Stoke Wildfires

Eucalypts are now cosmopolitan, spread around the world through imperialism and globalization. Unfortunately, they're also highly flammable.
During late twilight in the Baobab trees

Africa’s Mighty Baobabs

Sub-Saharan Africa's iconic baobab trees are experiencing die-offs at an alarming rate. What makes these distinctive trees so unique?
Dead European Beech

What’s Killing European Trees?

Soil fungi supply nutrients to trees, but as they wither from pollution, trees suffer too.
Illustration: a flower and leaf of the Franklinia alatamaha by William Bartram (1782)

Source: https://en.wikipedia.org/wiki/Franklinia#/media/File:William_Bartram01.jpg

America’s Mysterious Lost Tree

Extinct in the wild, the Franklinia tree is still cultivated in botanical gardens, private homes, parks, even cemeteries. It's also got an interesting Revolutionary-era backstory.
Zoe Crosher Palms

An Artist Memorializes the Disappearing Palm Trees of Los Angeles

Palm fronds in Southern California are falling more frequently due to age, invasive species, and fungus, Artist Zoe Crosher casts these fronds in bronze.
Black Noddy Terns Nesting in Pisonia Trees at Lady Musgrave Island Queensland Australia

The Bird-Catching Pisonia Trees

Found mainly on Caribbean islands, Pisonia trees resemble any typical large, tropical tree. Typical, that is, until you notice the bones.
Wine corks

The Cork Oak Forests Want You to Drink More Wine

Corks come from a tree that is part of a unique ecosystem dependent on cork harvest for its survival.